The following results were obtained during the Gravimetric and Volumetric determination of iron in sample A. Gravimetric: 29.18, 29.10, 29.08, 29.17, and 29.04. Volumetric: 29.11, 29.13, 29.22, 29.05, and 29.25. Compute the 95% confidence intervals for the means of both methods.

T(s) in2os] (m) 0 185 2.39 546 1.90 725 1.70 the decomposition of n205 can be described by the equation 2.68 given these data for the reaction at 45°c in carbon tetrachloride solution, calculate the average rate of reaction for each successive time interval. ntr s to 185 s 185 s to 546 s 546 s to 725 s number number number reaction rate: m/s m/s m/s